678337098 has 16 divisors (see below), whose sum is σ = 1357330176. Its totient is φ = 226003040.

The previous prime is 678337039. The next prime is 678337103. The reversal of 678337098 is 890733876.

It is a self number, because there is not a number n which added to its sum of digits gives 678337098.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13338 + ... + 39173.

It is an arithmetic number, because the mean of its divisors is an integer number (84833136).

Almost surely, 2^678337098 is an apocalyptic number.

678337098 is an abundant number, since it is smaller than the sum of its proper divisors (678993078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678337098 is a wasteful number, since it uses less digits than its factorization.

678337098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54669.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 678337098 is about 26044.9054135353. The cubic root of 678337098 is about 878.6485359103.

The spelling of 678337098 in words is "six hundred seventy-eight million, three hundred thirty-seven thousand, ninety-eight".